#include <bits/stdc++.h>
using namespace std;
#define yes cout << "YES" << endl
#define no cout << "NO" << endl
using ll = long long;
void solve()
{
    ll n;
    cin >> n;
    vector<ll> a(n), b(n);
    ll s1 = 0, s2 = 0;
    for (ll i = 0; i < n; i++)
    {
        cin >> a[i];
        s1 += a[i];
    }
    for (ll i = 0; i < n; i++)
    {
        cin >> b[i];
        s2 += b[i];
    }
    if ((s1 * s2) & 1)
    {
        cout << "odd";
    }
    else
    {
        cout << "even";
    }
}
int main()
{
    int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }
    return 0;
}
